Kimberly A. Fields - Jan 3, 2023 Form 4 Insider Report for ATI INC (ATI)

Role: EVP & COO
Signature: /s/ Amanda J. Skov, Attorney-in-Fact for Kimberly A. Fields
Stock symbol: ATI
Transactions as of: Jan 3, 2023
Transactions value $: -$358,484
Form type: 4
Date filed: 1/5/2023, 04:56 PM
Previous filing: Jun 3, 2022
Next filing: Feb 27, 2023
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	ATI	Common Stock, par value $0.10 per share	Award	$0	+18K	+15.23%	$0.00	136K	Jan 3, 2023	Direct	F1, F2
transaction	ATI	Common Stock, par value $0.10 per share	Tax liability	-$201K	-6.63K	-4.86%	$30.38	130K	Jan 4, 2023	Direct	F3, F4
transaction	ATI	Common Stock, par value $0.10 per share	Tax liability	-$157K	-5.17K	-3.99%	$30.38	125K	Jan 4, 2023	Direct	F4, F5

Showing 1 to 3 of 3 entries

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Award of restricted stock units, which are settled in shares of stock upon vesting. The award vests in three equal annual installments on each of the first three anniversaries of the grant date.
F2	Awarded under ATI's 2022 Incentive Plan.
F3	Shares withheld for payment of taxes on restricted stock units awarded on January 4, 2021. One-third of such restricted stock units vested by their terms on January 4, 2023.
F4	Represents the average of the high and low trading prices for one share of the Issuer's common stock on the New York Stock Exchange ("NYSE") on January 4, 2023.
F5	Shares withheld for payment of taxes on restricted stock units awarded on January 4, 2022. One-third of such restricted stock units vested by their terms on January 4, 2023.